/* ============================================================
   RESET 官網樣式
   深空底 × 香檳金 × 三種幾何各自的色溫（藍／紫／金）
   ============================================================ */

:root {
    --bg-color: #060608;
    --bg-soft: #0b0b10;
    --text-color: #ececec;
    --text-muted: #9a9aa3;
    --accent-color: #e5c15d;
    --accent-soft: rgba(229, 193, 93, 0.55);
    --accent-glow: rgba(229, 193, 93, 0.22);
    --line-color: rgba(255, 255, 255, 0.08);
    --card-bg: rgba(255, 255, 255, 0.03);

    --geo-blue: #78b4ff;
    --geo-purple: #be8cff;
    --geo-gold: #f0be78;

    /* 2026-08-05：中文全面改用 Noto Sans TC。
       襯線中文在螢幕的小字級下筆畫容易糊在一起，中文筆畫本來就比拉丁字母密。
       拉丁文維持 Cormorant Garamond——那行斜體英文很好看，沒有理由換。 */
    --font-display: 'Cormorant Garamond', 'Noto Sans TC', serif;
    --font-heading: 'Cormorant Garamond', 'Noto Sans TC', sans-serif; /* privacy.html 沿用 */
    --font-body: 'Noto Sans TC', sans-serif;
    --font-ui: 'Lato', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-body);
    line-height: 1.9;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* ------------------------------------------------------------
   Navigation
   ------------------------------------------------------------ */
nav {
    position: absolute;
    top: 0; left: 0; right: 0;
    z-index: 10;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 32px clamp(24px, 6vw, 72px);
}

.logo a {
    font-family: var(--font-ui);
    font-size: 1rem;
    letter-spacing: 8px;
    text-transform: uppercase;
    color: var(--text-color);
    text-decoration: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    font-family: var(--font-ui);
    font-size: 0.85rem;
    letter-spacing: 2px;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
}
.nav-link:hover { color: var(--text-color); }

.nav-btn {
    color: var(--accent-color);
    text-decoration: none;
    border: 1px solid rgba(229, 193, 93, 0.35);
    border-radius: 40px;
    padding: 8px 20px;
    transition: all 0.3s ease;
}
.nav-btn:hover {
    background: rgba(229, 193, 93, 0.08);
    box-shadow: 0 0 18px var(--accent-glow);
}

/* ------------------------------------------------------------
   Hero
   ------------------------------------------------------------ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 24px 80px;
    overflow: hidden;
}

#hero-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0.9;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 680px;
}

.overline {
    font-family: var(--font-ui);
    font-size: 0.78rem;
    letter-spacing: 5px;
    text-transform: uppercase;
    color: var(--accent-soft);
    margin-bottom: 24px;
}

.title {
    font-family: var(--font-body);
    font-size: clamp(2.6rem, 7vw, 4.2rem);
    font-weight: 300;
    line-height: 1.35;
    letter-spacing: 6px;
    margin-bottom: 26px;
    text-shadow: 0 0 60px rgba(229, 193, 93, 0.25);
}

.hero-en {
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 400;
    font-size: clamp(1.1rem, 2.6vw, 1.4rem);
    letter-spacing: 3px;
    color: var(--accent-color);
    margin-bottom: 40px;
}

.description {
    font-size: 1.02rem;
    color: var(--text-muted);
    font-weight: 300;
    margin: 0 auto 52px;
    max-width: 520px;
}

.btn-primary {
    display: inline-block;
    color: var(--text-color);
    text-decoration: none;
    padding: 15px 44px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 50px;
    font-family: var(--font-ui);
    font-size: 0.85rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(6px);
    transition: all 0.4s ease;
}

.btn-primary:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    box-shadow: 0 0 24px var(--accent-glow);
}

.scroll-hint {
    position: absolute;
    bottom: 34px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-hint span {
    display: block;
    width: 1px;
    height: 52px;
    background: linear-gradient(to bottom, transparent, var(--accent-soft));
    animation: hint-drop 2.8s ease-in-out infinite;
}

@keyframes hint-drop {
    0%   { transform: scaleY(0); transform-origin: top; opacity: 0; }
    35%  { transform: scaleY(1); transform-origin: top; opacity: 0.9; }
    70%  { transform: scaleY(1); transform-origin: bottom; opacity: 0.9; }
    100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

/* ------------------------------------------------------------
   Reveal on scroll
   ------------------------------------------------------------ */
.reveal {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 1s ease, transform 1s ease;
}
.reveal.visible {
    opacity: 1;
    transform: none;
}

/* ------------------------------------------------------------
   Sections（共用）
   ------------------------------------------------------------ */
section { text-align: center; }

.section-header { margin-bottom: 64px; }

.section-header h2 {
    font-family: var(--font-body);
    font-size: clamp(1.7rem, 4vw, 2.3rem);
    font-weight: 300;
    letter-spacing: 5px;
    color: #fff;
    margin-bottom: 16px;
}

.section-sub {
    color: var(--text-muted);
    font-size: 0.98rem;
    font-weight: 300;
}

/* ------------------------------------------------------------
   Philosophy quote
   ------------------------------------------------------------ */
.philosophy { padding: 140px 24px 110px; }

.quote {
    font-size: clamp(1.5rem, 3.6vw, 2rem);
    font-weight: 300;
    letter-spacing: 4px;
    color: var(--accent-color);
    margin-bottom: 16px;
}

.quote-sub {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1.05rem;
    color: var(--text-muted);
    letter-spacing: 1.5px;
}

/* ------------------------------------------------------------
   三個階段
   ------------------------------------------------------------ */
.journey-wrap { padding: 40px 24px 140px; }

.journey {
    max-width: 1080px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    text-align: left;
}

.step-card {
    background: var(--card-bg);
    border: 1px solid var(--line-color);
    border-radius: 6px;
    padding: 44px 34px;
    position: relative;
    transition: transform 0.4s ease, border-color 0.4s ease;
}

.step-card:hover {
    transform: translateY(-6px);
    border-color: rgba(229, 193, 93, 0.3);
}

.step-glyph {
    font-size: 1.7rem;
    color: var(--accent-soft);
    line-height: 1;
    margin-bottom: 22px;
}

.step-num {
    font-family: var(--font-ui);
    font-size: 0.72rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent-soft);
    display: block;
    margin-bottom: 10px;
}

.step-card h3 {
    font-size: 1.45rem;
    font-weight: 400;
    letter-spacing: 2px;
    color: #fff;
    margin-bottom: 6px;
}

.step-card h3 em {
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 400;
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-left: 8px;
}

.step-action {
    font-family: var(--font-ui);
    font-size: 0.8rem;
    letter-spacing: 2px;
    color: var(--text-muted);
    padding-bottom: 18px;
    margin-bottom: 18px;
    border-bottom: 1px solid var(--line-color);
}

.step-card p:last-child {
    font-size: 0.96rem;
    font-weight: 300;
    color: #c5c5cc;
    line-height: 1.95;
}

/* ------------------------------------------------------------
   兩種語境
   ------------------------------------------------------------ */
.contexts {
    padding: 120px 24px;
    background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.025), transparent);
}

.context-grid {
    max-width: 900px;
    margin: 0 auto 72px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 48px;
    text-align: left;
}

.context-item {
    border-left: 1px solid rgba(229, 193, 93, 0.35);
    padding-left: 28px;
}

.context-item h3 {
    font-size: 1.3rem;
    font-weight: 400;
    letter-spacing: 3px;
    color: #fff;
    margin-bottom: 8px;
}

.context-path {
    font-family: var(--font-ui);
    font-size: 0.8rem;
    letter-spacing: 2px;
    color: var(--accent-color);
    margin-bottom: 18px;
}

.context-item p:last-child {
    font-size: 0.96rem;
    font-weight: 300;
    color: #c5c5cc;
}

.context-key {
    font-size: clamp(1.15rem, 2.8vw, 1.45rem);
    font-weight: 300;
    letter-spacing: 2.5px;
    color: var(--accent-color);
    line-height: 2.1;
}

.mobile-br { display: none; }

/* ------------------------------------------------------------
   三種幾何
   ------------------------------------------------------------ */
.geometries { padding: 120px 24px 140px; }

.geo-grid {
    max-width: 1080px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.geo-card {
    background: var(--card-bg);
    border: 1px solid var(--line-color);
    border-radius: 6px;
    padding: 44px 30px 40px;
    position: relative;
    transition: transform 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.geo-card:hover { transform: translateY(-6px); }
.geo-blue:hover   { border-color: rgba(120, 180, 255, 0.4);  box-shadow: 0 0 40px rgba(120, 180, 255, 0.08); }
.geo-purple:hover { border-color: rgba(190, 140, 255, 0.4);  box-shadow: 0 0 40px rgba(190, 140, 255, 0.08); }
.geo-gold:hover   { border-color: rgba(240, 190, 120, 0.4);  box-shadow: 0 0 40px rgba(240, 190, 120, 0.08); }

.geo-visual {
    display: flex;
    justify-content: center;
    margin-bottom: 28px;
}

.geo-visual canvas {
    width: 150px;
    height: 150px;
    animation: geo-spin 150s linear infinite;
}

@keyframes geo-spin {
    to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
    .geo-visual canvas { animation: none; }
    .scroll-hint span { animation: none; opacity: 0.5; transform: none; }
    .reveal { opacity: 1; transform: none; transition: none; }
}

.geo-card h3 {
    font-size: 1.25rem;
    font-weight: 400;
    letter-spacing: 3px;
    color: #fff;
    margin-bottom: 12px;
}

.geo-card p {
    font-size: 0.92rem;
    font-weight: 300;
    color: var(--text-muted);
    line-height: 1.9;
}

.geo-tag {
    position: absolute;
    top: 18px;
    right: 18px;
    font-family: var(--font-ui);
    font-size: 0.68rem;
    letter-spacing: 2px;
    color: var(--accent-soft);
    border: 1px solid rgba(229, 193, 93, 0.3);
    border-radius: 20px;
    padding: 3px 12px;
}

/* ------------------------------------------------------------
   刻意的設計
   ------------------------------------------------------------ */
.principles {
    padding: 110px 24px;
    background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.025), transparent);
}

.principle-list {
    max-width: 640px;
    margin: 0 auto;
    list-style: none;
    text-align: left;
}

.principle-list li {
    padding: 26px 0;
    border-bottom: 1px solid var(--line-color);
    font-size: 0.98rem;
    font-weight: 300;
    color: var(--text-muted);
}

.principle-list li:last-child { border-bottom: none; }

.principle-list strong {
    display: block;
    font-weight: 400;
    color: var(--text-color);
    margin-bottom: 4px;
    letter-spacing: 0.5px;
}

/* ------------------------------------------------------------
   免費與完整版
   ------------------------------------------------------------ */
.pricing { padding: 120px 24px 100px; }

.pricing-grid {
    max-width: 780px;
    margin: 0 auto 40px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.price-card {
    background: var(--card-bg);
    border: 1px solid var(--line-color);
    border-radius: 6px;
    padding: 44px 36px;
    text-align: left;
}

.price-full { border-color: rgba(229, 193, 93, 0.35); }

.price-card h3 {
    font-size: 1.2rem;
    font-weight: 400;
    letter-spacing: 3px;
    color: #fff;
    margin-bottom: 6px;
}

.price-line {
    font-family: var(--font-ui);
    font-size: 0.82rem;
    letter-spacing: 2px;
    color: var(--accent-color);
    margin-bottom: 24px;
}

.price-card ul { list-style: none; }

.price-card li {
    font-size: 0.94rem;
    font-weight: 300;
    color: #c5c5cc;
    padding: 9px 0 9px 22px;
    position: relative;
}

.price-card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 1.15em;
    width: 7px;
    height: 7px;
    border: 1px solid var(--accent-soft);
    border-radius: 50%;
}

.pricing-note {
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--text-muted);
    margin-bottom: 56px;
}

.btn-cta { border-color: rgba(229, 193, 93, 0.4); }

/* ------------------------------------------------------------
   Footer
   ------------------------------------------------------------ */
.footer {
    padding: 110px 24px 64px;
    border-top: 1px solid var(--line-color);
    text-align: center;
    font-family: var(--font-ui);
}

.logo-small {
    font-size: 0.95rem;
    letter-spacing: 6px;
    text-transform: uppercase;
    opacity: 0.85;
    margin-bottom: 18px;
}

.footer-tagline {
    font-family: var(--font-display);
    font-style: italic;
    color: var(--text-muted);
    font-size: 0.98rem;
    margin-bottom: 26px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 14px;
    font-size: 0.82rem;
    letter-spacing: 1.5px;
    margin-bottom: 26px;
    color: var(--text-muted);
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
}
.footer-links a:hover { color: var(--accent-color); }

.copyright {
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.3);
    letter-spacing: 1px;
}

/* ------------------------------------------------------------
   About（理念頁）
   ------------------------------------------------------------ */
.bg-glow {
    position: fixed;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 90vw;
    height: 70vh;
    background: radial-gradient(ellipse at center, rgba(229, 193, 93, 0.06), transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.bg-glow.secondary {
    top: auto;
    bottom: -30%;
    background: radial-gradient(ellipse at center, rgba(120, 180, 255, 0.05), transparent 70%);
}

.about-page {
    position: relative;
    z-index: 1;
    max-width: 640px;
    margin: 0 auto;
    padding: 160px 28px 60px;
    text-align: center;
}

.about-hero h1 {
    font-family: var(--font-body);
    font-size: clamp(1.9rem, 5vw, 2.7rem);
    font-weight: 300;
    line-height: 1.6;
    letter-spacing: 4px;
    margin: 20px 0 24px;
    color: #fff;
}

.about-hero .subtitle {
    color: var(--text-muted);
    font-weight: 300;
    font-size: 1.05rem;
    letter-spacing: 2px;
}

.divider {
    width: 1px;
    height: 64px;
    margin: 48px auto 0;
    background: linear-gradient(to bottom, transparent, var(--accent-soft), transparent);
}

.journey-section { padding: 90px 0 30px; }

.chapter {
    margin-bottom: 110px;
    text-align: left;
}

.chapter-num {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    letter-spacing: 4px;
    color: var(--accent-soft);
    margin-bottom: 10px;
}

.chapter h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: 2px;
    color: #fff;
    margin-bottom: 22px;
}

.chapter-quote {
    font-size: 1.12rem;
    font-weight: 300;
    letter-spacing: 2px;
    color: var(--accent-color);
    margin-bottom: 26px;
    line-height: 1.9;
}

.chapter p:not(.chapter-num):not(.chapter-quote) {
    font-size: 0.99rem;
    font-weight: 300;
    color: #c0c0c8;
    line-height: 2.15;
    margin-bottom: 18px;
}

.closing-section { padding: 20px 0 90px; }

.closing-quote {
    font-size: 1.25rem;
    font-weight: 300;
    letter-spacing: 3px;
    color: var(--accent-color);
    margin: 56px 0 20px;
}

.signature {
    font-family: var(--font-ui);
    font-size: 0.8rem;
    letter-spacing: 6px;
    color: var(--text-muted);
    text-transform: uppercase;
}

.cta-section { padding-bottom: 40px; }

.download-btn {
    display: inline-block;
    color: var(--text-color);
    text-decoration: none;
    padding: 14px 42px;
    border: 1px solid rgba(229, 193, 93, 0.4);
    border-radius: 50px;
    font-family: var(--font-ui);
    font-size: 0.85rem;
    letter-spacing: 3px;
    transition: all 0.4s ease;
}

.download-btn:hover {
    color: var(--accent-color);
    box-shadow: 0 0 24px var(--accent-glow);
}

.footer-content .footer-logo {
    font-size: 0.95rem;
    letter-spacing: 6px;
    text-transform: uppercase;
    opacity: 0.85;
    margin-bottom: 18px;
}

.footer-copy {
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.3);
    letter-spacing: 1px;
    margin-top: 20px;
}

/* ------------------------------------------------------------
   RWD
   ------------------------------------------------------------ */
@media (max-width: 768px) {
    nav { padding: 24px 20px; }
    .nav-links { gap: 16px; }
    .hero { min-height: 92vh; }
    .title { letter-spacing: 3px; }
    .mobile-br { display: inline; }
    .journey, .geo-grid, .pricing-grid, .context-grid { grid-template-columns: 1fr; }
    .context-item { padding-left: 20px; }
    .about-page { padding-top: 130px; }
}

/* ============================================================
   2026-08-05 改版：可讀性與深淺分段
   以覆蓋方式追加，不動上方既有規則（about.html / privacy.html 共用）。
   ============================================================ */

/* ── 1. 中文不加 letter-spacing ─────────────────────────
   原本標題 6px、logo 8px、小標 3–5px，那是拉丁排版的習慣套到中文上。
   中文本來就是等寬方塊，字距一拉開，詞的成組性被破壞，眼睛得逐字讀。
   字距只留給拉丁文與全大寫標籤（.logo/.overline/.nav-links/.btn-primary）。 */
.title,
.section-title,
.section-sub,
.phase-title,
.context-title,
.geo-card h3,
.plan-title,
.principle-item,
p, li {
    letter-spacing: 0;
}

/* ── 2. 內文加重、放大 ───────────────────────────────
   細襯線中文在小字級下筆畫會散掉——中文筆畫比拉丁字母密得多，
   減重的代價大很多。300 → 400，1.02rem → 1.12rem。 */
body { font-size: 1.12rem; line-height: 1.85; }
.description,
.context-desc,
.geo-desc,
.principle-item p,
.plan li,
p {
    font-weight: 400;
}
.description { font-size: 1.08rem; }

/* ── 3. 深淺分段：已撤回 ───────────────────────────
   曾嘗試「hero 深色 → 閱讀區淺色」。失敗原因：原檔有大量規則把顏色寫死
   （#ececec、rgba(255,255,255,…)）而非走變數，所以覆蓋 --text-color 對它們
   無效——標題與卡片標題在淺底上變成白字，整段消失。要做淺色版必須先把 850 行
   裡所有寫死的顏色收斂成變數，那是另一件工程。維持全深色。
   保留 mark 的樣式，新段落有用到。 */
mark {
    background: rgba(229, 193, 93, 0.18);
    color: inherit; padding: 0 3px; border-radius: 2px;
}

/* ── 4. reveal 預設可見 ─────────────────────────────
   原本預設 opacity:0，靠 IntersectionObserver 加 .visible 才顯現。
   JS 一旦沒跑（或整頁截圖），首頁以下全部空白。改成預設可見，
   只有在 JS 確實接手（html.js-reveal）且使用者未要求減少動態時才隱藏。 */
.reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: no-preference) {
    .js-reveal .reveal { opacity: 0; transform: translateY(26px); }
    .js-reveal .reveal.visible { opacity: 1; transform: none; }
}

/* 新增區段：靈性繞道說明 */
.bypass .section-body p { margin-bottom: 20px; }
.bypass .section-note {
    margin-top: 26px; padding-top: 20px;
    border-top: 1px solid var(--line-color);
    color: var(--text-color);
}
.bypass em { font-style: normal; color: var(--accent-color); }
.two-ways .context-card { text-align: left; }

/* 英文版導覽列比中文長（Philosophy + 中文 + Get the app），
   窄螢幕會擠出去。360px 以下縮字距與內距。 */
@media (max-width: 400px) {
    nav { padding: 22px 16px; }
    .nav-links { gap: 12px; font-size: 0.78rem; letter-spacing: 1px; }
    .nav-btn { padding: 6px 13px; }
    .logo a { letter-spacing: 5px; font-size: 0.9rem; }
}